Hat



FIG. 1 is a front perspective view of a hat showing my new design, the rear does not form part of the claimed design; and,

FIG. 2 is a left side perspective view thereof.

The broken line showing of the human form in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a hat, as shown and described. 